Question

simplify
$1 \div 7 + 4 \sqrt{3 } + 1 \div 7 - 4 \sqrt{3}$
​

Answer 1

Answer:

(

x

)

3

−2

y

4

÷

xy

2

−1

=(x

2

1

)

3

−2

(y

4

)

2

1

÷(xy

2

−1

)

2

1

=x

3

−1

y

2

÷x

2

1

y

4

−1

since (a

m

)

n

=a

mn

=

x

2

1

y

4

−1

x

3

−1

y

2

=x

3

−1

+

2

1

y

2+

4

1

since a

−m

=

a

m

1

=x

6

−2+3

y

4

9

=x

6

1

y

Answer 2

Answer:

112.414

Step-by-step explanation:

(1/7+4√3+1) / 7- 4√3

=

8.041 / 7 - 4√3

=

8.041 × 7 + 8.041× 4√3 / 7² - (4√3)² by rationalising

=

(112.414)/49-48

i.e. 112.414

hope it helped